# Low Nicotine Content Cigarettes in Vulnerable Populations: Affective Disorders

> **NCT04090879** · PHASE2 · COMPLETED · sponsor: **Brown University** · enrollment: 326 (actual)

## Conditions studied

- Tobacco Use Disorder

## Interventions

- **OTHER:** Either normal nicotine content cigarettes (15.8mg/g) or reduced nicotine content cigarettes (0.4mg/g)
- **OTHER:** E-Cigarettes

## Key facts

- **NCT ID:** NCT04090879
- **Lead sponsor:** Brown University
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-10-18
- **Primary completion:** 2023-11-27
- **Final completion:** 2023-11-27
- **Target enrollment:** 326 (ACTUAL)
- **Last updated:** 2025-04-01

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04090879

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04090879, "Low Nicotine Content Cigarettes in Vulnerable Populations: Affective Disorders". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04090879. Licensed CC0.

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